Kramm; Friedrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kramm; Friedrich.The latest application filed is for "separator for gel electrolyte storage batteries".
- Kramm; Friedrich - Buedingen N/A DE
- Kramm; Friedrich - Budingen DE
| Patent | Date |
|---|---|
| Separator for gel electrolyte storage batteries Grant 9,029,001 - Kramm , et al. May 12, 2 | 2015-05-12 |
| Separator For Gel Electrolyte Storage Batteries App 20120021272 - Kramm; Friedrich ; et al. | 2012-01-26 |
| Tube Sheet for a Lead Acid Battery App 20110165448 - Kramm; Friedrich ; et al. | 2011-07-07 |
| Vent valve for acid batteries Grant 7,951,475 - Imhof , et al. May 31, 2 | 2011-05-31 |
| Electrode Grid App 20090305142 - Kramm; Friedrich ; et al. | 2009-12-10 |
| Vent valve for acid batteries App 20060240315 - Imhof; Wolfgang ; et al. | 2006-10-26 |
| Vibration-resistant accumulator and method of its manufacture Grant 6,962,761 - Kramm , et al. November 8, 2 | 2005-11-08 |
| Vibration-resistant accumulator and method of its manufacture App 20030152832 - Kramm, Friedrich ; et al. | 2003-08-14 |
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